guys now according to specification of my computer i am going to buy zotac nvidia gtx 750 ti 2 gb gddr5 for playing games but i dont have budget to buy good psu...but i currently have 450w intex smart switching atx power supply with DC output : +3,3 v : 30A, +5V:29A, +12V:18A, -12V:0.5A, +5VSB:2A.... is my psu ok with 750 ti graphics card or not ,,,my other specs are
cpu: intel pentium dual core 2.9ghz
ram :6 gb ddr3 with g41 motheroard
1024x768 resolution
is there any worry to use 750ti on 450 w psu or not